Peter,
Some experiences I have had in past lives follow each of your questions. My
responses are brief due to lack of time. I hope this helps.
Anyone else, please feel free to comment.
Best regards,
Ron Pickard
ron_pick...@hypercom.com
__ Reply Separator
Hi Ron and All,
I have delayed posting info because things are still in a little bit of
flux. There were meetings in Washington,D.C. on February 11 and 12
with representatives from the US and BCIQ (now BSMI). There has been
agreement that once letters have been exchanged between the US and
Re Richard's item 5)...
5.UL requires that all internal equipment be UL Listed or
Recognized.
If that is true, then the value of the CSA/NRTL mark, and conversely the
cUL mark if CSA plays this way too, is highly questionable. Do you have
a direct-from-UL interpretation saying that they
Hello Peter:
1. For the North America, does a NEMA 125 V, 20 A plug meet the
pluggable B definition?
No. The objective of the Pluggable Type B connection is that
of a reliable, non-defeatable earth connection. The NEMA 20 A
plug uses the same earthing connection as the NEMA 15 A
Peter,
Responses are below each question. (NOTE: The answers to these questions are
easily found in the UL 1950 3rd ed. standard).
-Original Message-
From: pe...@itl.co.il [mailto:pe...@itl.co.il]
Sent: Tuesday, March 09, 1999 11:26 AM
To: emc-p...@majordomo.ieee.org; t...@world.std.com
1. Peter, equipment with the standard NEMA plug is considered to be
Class A..
2. Equipment using the heavy duty Industrial plugs complying with IEC
are considered to be Class B. I have never seen those used inside rack
mounted equipment.
3. If the power supply is UL Listed, then
I would agree is the scope was narrowed to worst standards.
Dave George
-Original Message-
From: b...@namg.us.anritsu.com [mailto:b...@namg.us.anritsu.com]
Sent: Monday, March 08, 1999 11:04 AM
To: emc-p...@ieee.org
Subject: Awards for Worst EMC/PS qualities
Hi Group,
We have already
Dear All,
I would like to know some of your professional advice on some
issues reagrding rack systems to be evaluated to UL1950/EN 60
950.
1. For the North America, does a NEMA 125 V, 20 A plug meet the
pluggable B definition?
2. What are some plug configurations which will meet the
Dear All,
Can you help in determining what the applicable requirements
(safety, emc, telephony, other ) for marketing voice messaging
systems in Indonesia?
Thanks and Best Regrads,
PETER S. MERGUERIAN
MANAGING DIRECTOR
PRODUCT TESTING DIVISION
I.T.L. (PRODUCT TESTING) LTD.
HACHAROSHET 26,
Members:
We have closed our egroup
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and we apologize for the strange ads that were automatically appended by the
service. They were not approved by TEMPEST INC.
Regards,
Louis T. Gnecco, M.S.E.E., President
TEMPEST INC.
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This
Gentleman,
I need to design a double ridged horn antenna.
The band should be at least between 500 MHz to 3 GHz.
Any help please ?
thank in advance
giuseppe rossi
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In Australia, domestically and on most international routes, mobile phones
are not to be turned on or used while in flight at all. Other electronic
devices such as laptops, electronic games, video cameras etc are permitted
to be used but only after reaching cruise altitude (ie not to be used
Members:
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Hi Moshe:
I need fuses and fuse holders for 10kV line. Can someone tell me who is
making these (or what
are other altenatives to current limiting on high voltage lines)?
10 kV fuses are BIG!
I checked the Littlefuse web site and found a medium voltage
fuse rated 14,400 volts, 0.5
Hi Moshe:
Can someone enlighten me on the status of safety of using LED's as
indicators. Are they still
to be suspected as radiation sources (60825) and what should I do in the
design (?) to prove
them safe?
EN 60950 Amd 11 invokes EN 60825.
EN 60825 applies to ALL lasers
PSNet
Well, group, I hope that we're ready for the competition... or
align our activities with the Quality dept in a hurry... anyway, this
ought to generate some comments...
At the upcoming spring Quality session in Chicago area... (hmmm,
didn't save the entire conference
To all,
I have just heard that by 6/99 the BCIQ will be departing from requiring EMC
testing only at approved labs to accepting test data from labs in countries
where an MRA exists. These labs must have NVLAP or similar accreditations. I
have also heard that a US-Taiwan MRA is now in
Per Resolution 92, Argentina was scheduled to require a
Conformity-to-Type Certificate for electronic apparatus effective 18 June,
1999. The problem, of course, was that when the resolution was published
they did not have the infrastructure nor MRAs in place to accomplish this
task. Has
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